Fire TV Cube has a Micro USB port for an Ethernet Adapter and an Infrared port

New Fire TV Cube 2022 (3rd gen) - MobileRead Forums

Fire TV Cube (2022) Review

s third-gen Fire TV Cube comes with a lost remote finder

Cable Matters Micro USB to Ethernet Adapter Up to 480Mbps for Streaming

TV Xstream LAN Ethernet Adapter with 3 USB Port Hub with Micro USB Power for TV Streaming Devices, Stick 2nd Gen, 3rd Gen 4K Firestick, Plus USB to DC

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Accessories compatible for Fire Stick Lite 2020, Fire TV Stick 4K, Fire TV Cube (1st gen), Fire TV Cube (2nd gen), Fire TV (3rd Gen, Pendant Design),

OTG Cable to Ethernet Adapter for Fire TV Cube, Fire TV Stick Lite 2020, Echo Show (2nd Gen), Micro USB HUB with Power

Fire TV Cube (2022) Review

Our fastest ever streaming media player is 2X as powerful as the Fire TV Stick 4K maximum. With a new octa-core 2.0 GHz processor at the center, you can launch and navigate apps quickly. Fire TV Cube also features Wi-Fi 6E support for smooth streaming and additional ports so you can connect and control other entertainment devices with just your voice. It's our most advanced streaming media player that delivers every time you hit play.

Fire TV Cube, Wi-Fi 6E, 4K Ultra HD, Black

Inteset USB 2.0 & Micro USB OTG Y Cable for Controlling The F-TV Stick, Pendent, or Cube, Supports Wireless Keyboards and The IReTV for Universal Remote Control. (IReTV not Included)